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单词
littrow prism
释义
Littrow prism
Littrow prism
[
′li‚trō ‚priz·əm
]
(optics)
A prism having angles of 30, 60, and 90°, silvered on the side opposite the 60° angle; a lens used with it can serve both as a telescope and as a collimator.
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更新时间:2024/12/22 21:39:06